DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

mg.savecom.net.tw · 61.63.137.24:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate has expired.

Certificate verification failed

Subject
C=TW ST=Taipei L=Taipei O=Openfind OU=MailGates CN=king.centos.office.openfind.com.tw emailAddress=king@ferro2.office.openfind.com.tw
Issuer
C=TW ST=Taipei L=Taipei O=Openfind OU=MailGates CN=king.centos.office.openfind.com.tw emailAddress=king@ferro2.office.openfind.com.tw
Valid from
2008-11-25T17:53:49+00:00
Expires
2009-11-25T17:53:49+00:00
Days remaining
-6174
Serial (hex)
BD4CE99ADB49D69B
Signature
RSA-SHA1
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

20:A1:B3:42:9A:AE:14:DD:1D:0B:C4:3E:CE:DF:9A:61:68:0D:B7:34:DE:65:21:77:69:46:60:40:F2:17:E3:29
Certificate extensions & PEM
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-21T17:49:22+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

Registration / WHOIS →DNS records →